package de.com.cn.springboot.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class EncodingFilter implements Filter {

	public EncodingFilter(){
		System.out.println("过滤器构造");
	}
	public void destroy() {
		System.out.println("过滤器销毁");
	}

	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
			throws IOException, ServletException {
		// TODO Auto-generated method stub
		System.out.println("过滤器");
		request.setCharacterEncoding("utf-8"); //将编码改为utf-8
		response.setContentType("text/html;charset=utf-8");
		chain.doFilter(request, response);
	}

	public void init(FilterConfig filterConfig) throws ServletException {
		// TODO Auto-generated method stub
		System.out.println("过滤器初始化");
	}

}
